Réamhaisnéis limistear na farraige
Forecast valid from: 12:00, Monday 18 May 2026 until 12:00, Tuesday 19 May 2026
Small Craft Warning
Southeasterly winds will reach force 6 or higher through Monday on all Irish coasts, veering south to southwest through Monday night and Tuesday morning before becoming confined between Fair Head to Carnsore Point to Loop Head.
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
Ireland lies in a mainly light to moderate southerly or variable airflow which will continue to strengthen as fronts associated with a depression of 986hPa, centred in the mid-Atlantic, gradually track northeastwards across the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Valentia to Erris Head to Fair Head
Wind: Increasing southeast or south mainly force 5 or 6 imminent, occasionally force 7. Later decreasing southerly force 4 to 6.
Weather: Mostly cloudy with rain and drizzle extending northeastwards. Occasional mist and fog. Later becoming cloudy to fair with showers or longer spells of rain.
Visibility: Moderate or poor in precipitation, mist and fog.
Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: Increasing southeasterly force 4 to 6 imminent. Soon increasing force 5 or 6, occasionally force 7. Later becoming southerly force 5 or 6.
Weather: Becoming mostly cloudy with rain and drizzle extending northeastwards. Occasional mist and fog. Later becoming cloudy to fair with showers or longer spells of rain with the chance of isolated thunderstorms.
Visibility: Moderate or poor in precipitation, mist and fog.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Increasing southerly force 5 or 6 imminent. Soon veering southwesterly. Later increasing force 6, occasionally force 7.
Weather: Cloudy with rain and drizzle. Occasional mist and fog. Later becoming cloudy to fair with showers or longer spells of rain.
Visibility: Moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 12:00, Wednesday 20 May 2026
Moderate to strong south to southwest winds, slackest in the north on Tuesday and in the southwest Wednesday. Weather: Showers or longer spells of rain with a chance of isolated thunderstorms, mainly in the north and east. Showers will become isolated from the west through Tuesday night.
Forecast issued at: 12:00, Monday 18 May 2026
All times are local unless specified
